Minecraft Forums

I have been playing Minecraft on this PC for almost a year, and never once have I had an issue with performance or graphics. Now, after about a week of not playing, I am suddenly seeing these weird graphical flashing and glitching that I haven't seen before on this, my other, or anyone else's PC before. Both the menus and the game are constantly flashing different colors and making textures look weird. I can usually fix small errors like these by re-installing Java/Minecraft (or both), but that hasn't worked either. I have been trying to fix this issue for about a week, and no matter how much I play with the settings and options, nothing changes. It isn't preventing me from playing, but it is very annoying and sometimes screws me up while playing, so I would like to resolve it as soon as I can. I am running Windows 8.1 on a laptop. I have attached some screenshots below for reference. I would have recorded it, but my software license expired awhile ago. Thanks in advance.

(The first 3 are screenshots of the options menu taken with the MS Snipping Tool in the title screen, and the last two are in-game screenshots I got by spamming the screenshot button until I captured it.)